DNR (2011) Analysis and Preliminary Determination for the Construction Permit for the Proposed Construction of A Sand Drying Plant and Industrial Sand Mine and Analysis and Preliminary Determination For The Operation Permit For A Sand Drying Plant And Industrial Sand Mine for Superior Silica Sands Llc, to be Located at SE 1/4 Of The Se ¼, Section 35, T32n, R10w,Town Of Dovre, Barron County, Wisconsin and sw Corner Of Hwy DD And Cth 64 town Of Howard, Chippewa County, Wisconsin.

DNR (2009) Analysis and Preliminary Determination For The Construction Permit for The Proposed Construction of A Sand Processing Plant And Industrial Sand Mine and analysis and Preliminary Determination for the Operation Permit For A Sand Processing Plant And Industrial Sand Mine for Canadian Sand and Proppants, Inc.,To Be Located At1425 County Highway S, Chippewa Falls, Chippewa County, and 42nd Street/55th Street/County Trunk Highway B town Of Howard, Chippewa County, Wisconsin.